<b>A one-stop resource for understanding historical and contemporary perspectives on ideological extremism in law enforcement as well as its wider impacts on American society. </b> The work blends narrative overview biographies essay perspectives and a helpful guide to other resources to facilitate understanding of the contemporary problem of extremism in American law enforcement. Written by experts in the criminal justice field the book focuses on the extent motivations causes and dangers of ideological extremism in the ranks of America's police from the smallest towns to the biggest cities. In addition it discusses reforms that have been proposed-and in some cases implemented-to combat the problem including measures introduced in other countries.